Hourly Weather Forecast - SeaTac, WA

4 PM
48°F
40%
6mph
E
40% Chance of Light Rain
Humidity
75%
Feels like
46°F
Dew Point
41°F
4:18 PM
5 PM
48°F
60%
6mph
ESE
60% Chance of Light Rain
Humidity
79%
Feels like
45°F
Dew Point
42°F
6 PM
47°F
70%
6mph
ESE
70% Chance of Light Rain
Humidity
82%
Feels like
44°F
Dew Point
42°F
7 PM
47°F
80%
7mph
SE
80% Chance of Light Rain
Humidity
84%
Feels like
44°F
Dew Point
43°F
8 PM
48°F
90%
8mph
SSE
Rain
Humidity
86%
Feels like
44°F
Dew Point
44°F
9 PM
49°F
80%
10mph
S
80% Chance of Light Rain
Humidity
88%
Feels like
44°F
Dew Point
45°F
10 PM
50°F
70%
12mph
S
70% Chance of Light Rain
Humidity
89%
Feels like
50°F
Dew Point
47°F
11 PM
52°F
80%
14mph
SSW
80% Chance of Rain
Humidity
90%
Feels like
52°F
Dew Point
49°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide